Cambridge IGCSE Statistics practice
Try the question first, then check the answer and practise the same topic again.
At a glance
1
Paper
4
Marks
Topic
Quartiles, percentiles and measures of dispersion
Exam-style question
A small data set consists of the numbers: 3, 7, 7, 2, 5.
Description
Calculate the standard deviation of the given data set.
Calculate Calculate the standard deviation of the data set: 3, 7, 7, 2, 5.
Aim for approximately 4 distinct marking points.
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Flashcard 1 of 6
Question 1 of 5
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Data Table
Estimate the standard deviation for the grouped data.
| Class Interval | Frequency |
|---|---|
| 0-10 | 3 |
| 10-20 | 7 |
| 20-30 | 5 |
| 30-40 | 2 |
Calculate Estimate the standard deviation for the grouped frequency distribution.
Aim for approximately 6 distinct marking points.